Implements some HTMLTextAreaElement attributes

These attributes all reflect their own related content values, with the
exception of defaultValue, which acts as an alias for its IDL
textContent attribute.

Many of these do have default values and constraints which are currently unimplemented.

components/script/dom/htmltextareaelement.rs

@@ -7,6 +7,7 @@ use dom::attr::AttrHelpers;
 use dom::bindings::codegen::Bindings::HTMLTextAreaElementBinding;
 use dom::bindings::codegen::Bindings::HTMLTextAreaElementBinding::HTMLTextAreaElementMethods;
 use dom::bindings::codegen::InheritTypes::{HTMLElementCast, NodeCast};
+use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use dom::bindings::codegen::InheritTypes::{HTMLTextAreaElementDerived, HTMLFieldSetElementDerived};
 use dom::bindings::js::{JSRef, Temporary};
 use dom::bindings::utils::{Reflectable, Reflector};
@@ -46,16 +47,67 @@ impl HTMLTextAreaElement {
 }
 
 impl<'a> HTMLTextAreaElementMethods for JSRef<'a, HTMLTextAreaElement> {
+    // TODO A few of these attributes have default values and additional
+    // constraints
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-cols
+    make_uint_getter!(Cols)
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-cols
+    make_uint_setter!(SetCols, "cols")
+
     // http://www.whatwg.org/html/#dom-fe-disabled
     make_bool_getter!(Disabled)
 
     // http://www.whatwg.org/html/#dom-fe-disabled
     make_bool_setter!(SetDisabled, "disabled")
 
+    // https://html.spec.whatwg.org/multipage/forms.html#attr-fe-name
+    make_getter!(Name)
+
+    // https://html.spec.whatwg.org/multipage/forms.html#attr-fe-name
+    make_setter!(SetName, "name")
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-placeholder
+    make_getter!(Placeholder)
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-placeholder
+    make_setter!(SetPlaceholder, "placeholder")
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-required
+    make_bool_getter!(Required)
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-required
+    make_bool_setter!(SetRequired, "required")
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-rows
+    make_uint_getter!(Rows)
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-rows
+    make_uint_setter!(SetRows, "rows")
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-wrap
+    make_getter!(Wrap)
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-wrap
+    make_setter!(SetWrap, "wrap")
+
     // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-type
     fn Type(self) -> DOMString {
         "textarea".to_string()
     }
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-defaultvalue
+    fn DefaultValue(self) -> DOMString {
+        let node: JSRef<Node> = NodeCast::from_ref(self);
+        node.GetTextContent().unwrap()
+    }
+
+    // https://html.spec.whatwg.org/multipage/forms.html#dom-textarea-defaultvalue
+    fn SetDefaultValue(self, value: DOMString) {
+        let node: JSRef<Node> = NodeCast::from_ref(self);
+        node.SetTextContent(Some(value))
+    }
 }
 
 impl<'a> VirtualMethods for JSRef<'a, HTMLTextAreaElement> {

components/script/dom/webidls/HTMLTextAreaElement.webidl

@@ -7,22 +7,22 @@
 interface HTMLTextAreaElement : HTMLElement {
   //         attribute DOMString autocomplete;
   //         attribute boolean autofocus;
-  //         attribute unsigned long cols;
+           attribute unsigned long cols;
   //         attribute DOMString dirName;
            attribute boolean disabled;
   //readonly attribute HTMLFormElement? form;
   //         attribute DOMString inputMode;
   //         attribute long maxLength;
   //         attribute long minLength;
-  //         attribute DOMString name;
+           attribute DOMString name;
-  //         attribute DOMString placeholder;
+           attribute DOMString placeholder;
   //         attribute boolean readOnly;
-  //         attribute boolean required;
+           attribute boolean required;
-  //         attribute unsigned long rows;
+           attribute unsigned long rows;
-  //         attribute DOMString wrap;
+           attribute DOMString wrap;
 
   readonly attribute DOMString type;
-  //         attribute DOMString defaultValue;
+           attribute DOMString defaultValue;
   //[TreatNullAs=EmptyString] attribute DOMString value;
   //readonly attribute unsigned long textLength;